diff --git a/composer.json b/composer.json
index 3e0070953e..1dececdeea 100644
--- a/composer.json
+++ b/composer.json
@@ -91,7 +91,8 @@
         "phpdocumentor/reflection-docblock": "^3.0"
     },
     "conflict": {
-        "phpdocumentor/reflection-docblock": "<3.0"
+        "phpdocumentor/reflection-docblock": "<3.0",
+        "phpdocumentor/type-resolver": "<0.2.0"
     },
     "autoload": {
         "psr-4": {
diff --git a/src/Symfony/Bundle/FrameworkBundle/composer.json b/src/Symfony/Bundle/FrameworkBundle/composer.json
index f626b2b2f3..910bbc51d6 100644
--- a/src/Symfony/Bundle/FrameworkBundle/composer.json
+++ b/src/Symfony/Bundle/FrameworkBundle/composer.json
@@ -55,7 +55,8 @@
         "twig/twig": "~1.23|~2.0"
     },
     "conflict": {
-        "phpdocumentor/reflection-docblock": "<3.0"
+        "phpdocumentor/reflection-docblock": "<3.0",
+        "phpdocumentor/type-resolver": "<0.2.0"
     },
     "suggest": {
         "ext-apcu": "For best performance of the system caches",
diff --git a/src/Symfony/Component/Filesystem/Filesystem.php b/src/Symfony/Component/Filesystem/Filesystem.php
index 69cda303a3..f6debe9e67 100644
--- a/src/Symfony/Component/Filesystem/Filesystem.php
+++ b/src/Symfony/Component/Filesystem/Filesystem.php
@@ -534,7 +534,7 @@ class Filesystem
 
         // If no scheme or scheme is "file" or "gs" (Google Cloud) create temp file in local filesystem
         if (null === $scheme || 'file' === $scheme || 'gs' === $scheme) {
-            $tmpFile = tempnam($hierarchy, $prefix);
+            $tmpFile = @tempnam($hierarchy, $prefix);
 
             // If tempnam failed or no scheme return the filename otherwise prepend the scheme
             if (false !== $tmpFile) {
diff --git a/src/Symfony/Component/PropertyInfo/composer.json b/src/Symfony/Component/PropertyInfo/composer.json
index d65fc450d2..23069a1e79 100644
--- a/src/Symfony/Component/PropertyInfo/composer.json
+++ b/src/Symfony/Component/PropertyInfo/composer.json
@@ -33,7 +33,8 @@
         "doctrine/annotations": "~1.0"
     },
     "conflict": {
-        "phpdocumentor/reflection-docblock": "<3.0"
+        "phpdocumentor/reflection-docblock": "<3.0",
+        "phpdocumentor/type-resolver": "<0.2.0"
     },
     "suggest": {
         "psr/cache-implementation": "To cache results",